⚠️ High Priority
Mailgun Emails Going to Spam: Recover Inbox Placement
Your Mailgun emails are being delivered to spam folders
Fix within 24-48 hours.
Check Mailgun delivery:
1
Review Mailgun Logs for bounce/complaint rates
2
Verify domain authentication
3
Check IP reputation
What Could Be Causing This?
Authentication Failures
Most CommonInboxEagle Detects This ✓
SPF/DKIM/DMARC failures cause spam placement.
How to confirm:
Check Mailgun domain settings.
Poor Sender Reputation
Most CommonInboxEagle Detects This ✓
High bounces/complaints damage reputation.
How to confirm:
Check Mailgun Logs.
Fix Playbook
Step 1: Fix Authentication & Clean Your List
DaysImpact: High
- Verify DMARC/SPF/DKIM setup
- Remove bounced addresses
- Remove inactive subscribers
- Focus on engaged list
Mailgun-Specific Note:
Mailgun logs show detailed bounce/complaint information.
Prevention Checklist
- Monitor authentication status
- Clean list regularly
Free Diagnostic Tools
Stop Fixing Deliverability Issues Reactively
The problem you just fixed probably cost you 20-30% of revenue while it was happening. InboxEagle would have detected it within 2 minutes and alerted you before placement dropped.
Real-time monitoring, AI diagnosis, and 24/7 alerts for every reputation change.
Start 14-Day Free Trial — No Card NeededFrequently Asked Questions
Why does Mailgun send to spam?
Failed authentication, poor reputation, or content issues cause spam placement.